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Alphacool Subzero vs Arctic MX-4: Comparison

Alphacool Subzero and Arctic MX-4 separate most on thermal conductivity: Alphacool Subzero at 16 W/mK, Arctic MX-4 at 8.5 W/mK, 47% in favour of Alphacool Subzero. They match on electrical conductivity, safety notes and paste segment.

Specs

Specification
Alphacool Subzero (High-Performance Silicone-Based/Non-Conductive/16 W/mK)
Alphacool Subzero
Arctic MX-4 (Carbon-Based/8.5 W/mK/Non-Conductive/Proven Budget Legacy Pick/98,000+ Positive Reviews)
Arctic MX-4
Compound TypeHigh-Performance Silicone-BasedCarbon-Based
BrandAlphacoolArctic
ModelAlphacool Subzero , SubzeroArctic MX-4 , MX-4
Thermal Conductivity16 W/mK8.5 W/mK-47%
Electrical ConductivityInsulatingInsulating
Package Size1g / 3.5g / 20g tubes4g / 8g / 20g / 45g tubes
Recommended UseHigh-end CPU/GPU (including overclocking)Mainstream CPU/GPU (builds on a tight budget)
Reapplication IntervalVerify manufacturer-rated intervalUp to 8 years
Safety NotesNoneNone
Paste SegmentStandard PasteStandard Paste

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